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  <a name="ZH-CN_TOPIC_0000001845123537"></a><a name="ZH-CN_TOPIC_0000001845123537"></a>
  <h1 class="topictitle1">周期性执行备份</h1>
  <div>
   <p>将需要保护的资源关联到指定SLA策略，系统将对这些资源按照SLA策略进行保护。</p>
   <div class="section">
    <h4 class="sectiontitle">操作步骤</h4>
    <ol>
     <li><span>选择<span class="uicontrol" id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001839142377_uicontrol34250519116">“<span id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001839142377_text154255511911">保护</span> &gt; 文件系统 &gt; 卷”</span>。</span></li>
     <li><span>勾选需要保护的卷，单击<span class="uicontrol">“<span>保护</span>”</span>。</span><p></p><p>您也可以勾选多个卷进行批量保护。</p> <p></p></li>
     <li><span>选择SLA。</span><p></p><p id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001607841256_p33248794210">您也可以单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001607841256_uicontrol744210206420">“<span id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001607841256_text1460532344618">创建</span>”</span>，创建新的SLA。</p> <p></p></li>
     <li><span>配置卷保护高级参数。</span><p></p>
      <div class="p">
       相关参数说明如<a href="#ZH-CN_TOPIC_0000001845123537__table354613271506">表1</a>所示。 
       <div class="tablenoborder">
        <a name="ZH-CN_TOPIC_0000001845123537__table354613271506"></a><a name="table354613271506"></a>
        <table cellpadding="4" cellspacing="0" summary="" id="ZH-CN_TOPIC_0000001845123537__table354613271506" frame="border" border="1" rules="all">
         <caption>
          <b>表1 </b>卷保护高级参数说明
         </caption>
         <colgroup>
          <col style="width:19.75%">
          <col style="width:80.25%">
         </colgroup>
         <thead align="left">
          <tr>
           <th align="left" class="cellrowborder" valign="top" width="19.75%" id="mcps1.3.2.2.4.2.1.2.2.3.1.1"><p>参数</p></th>
           <th align="left" class="cellrowborder" valign="top" width="80.25%" id="mcps1.3.2.2.4.2.1.2.2.3.1.2"><p>说明</p></th>
          </tr>
         </thead>
         <tbody>
          <tr>
           <td class="cellrowborder" valign="top" width="19.75%" headers="mcps1.3.2.2.4.2.1.2.2.3.1.1 "><p>操作系统备份</p></td>
           <td class="cellrowborder" valign="top" width="80.25%" headers="mcps1.3.2.2.4.2.1.2.2.3.1.2 "><p>默认关闭，开启后除了会备份选定的卷，还会备份系统卷，收集磁盘驱动器数量、卷信息、文件系统信息、网络信息。</p>
            <div class="note">
             <span class="notetitle"> 说明： </span>
             <div class="notebody">
              <p>开启操作系统备份后，无论有无选择/boot目录所在卷，都会备份/boot目录。</p>
             </div>
            </div></td>
          </tr>
          <tr>
           <td class="cellrowborder" valign="top" width="19.75%" headers="mcps1.3.2.2.4.2.1.2.2.3.1.1 "><p>执行脚本</p></td>
           <td class="cellrowborder" valign="top" width="80.25%" headers="mcps1.3.2.2.4.2.1.2.2.3.1.2 ">
            <div class="p">
             <span style="color:#282B33;">可根据实际情况，在备份任务执行前、或备份任务执行成功后、或备份任务执行失败后，执行用户自定义的脚本，脚本类型为sh。若将脚本放置在DataBackup/ProtectClient/ProtectClient-E/sbin/thirdparty目录下，则只需填写脚本名称，若将脚本放置在其他目录下，则需要填写脚本绝对路径。</span>
             <div class="note" id="ZH-CN_TOPIC_0000001845123537__note64007332505">
              <span class="notetitle"> 说明： </span>
              <div class="notebody">
               <p id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001792402656_zh-cn_topic_0000001264099602_p196461512103113">当配置了<span class="uicontrol" id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001792402656_zh-cn_topic_0000001264099602_uicontrol180112781919">“<span id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001792402656_zh-cn_topic_0000001264099602_text10711756153116">恢复成功执行脚本</span>”</span>时，即使该脚本执行失败，<span id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001792402656_text712055613536">本产品</span>上也会显示恢复任务的状态为<span class="uicontrol" id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001792402656_zh-cn_topic_0000001264099602_uicontrol488919204209">“<span id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001792402656_zh-cn_topic_0000001264099602_text186291135132417">成功</span>”</span>。请您留意任务详情中是否有后置脚本执行失败的相关提示，如有请及时修正脚本。</p>
              </div>
             </div>
            </div></td>
          </tr>
         </tbody>
        </table>
       </div>
      </div> <p></p></li>
     <li><span>单击<span class="uicontrol" id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001607841256_uicontrol471113581111">“确定”</span>。</span><p></p><p id="ZH-CN_TOPIC_0000001845123537__zh-cn_topic_0000001607841256_p25041111535">如果当前系统时间已晚于该SLA首次备份的开始时间，则关联备份SLA后可以选择在当前立即执行备份或者根据SLA中设置的备份策略等待下次调度。</p> <p></p></li>
    </ol>
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     <strong>父主题：</strong> <a href="zh-cn_topic_0000001798564440.html">步骤5：执行备份</a>
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